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Dallas-Fort Worth: Latest Ozone Planning Activities

Latest events and activities related to the Dallas-Fort Worth (DFW) area’s compliance with the National Ambient Air Quality Standards (NAAQS) for ground-level ozone.

Last updated: 7/2/2014

NewEmissions Inventory (EI) SIP Revision for the 2008 Eight-Hour Ozone Standard for the Houston-Galveston-Brazoria (HGB) and Dallas-Fort Worth (DFW) Areas

On July 2, 2014, the commission adopted the EI SIP revision for the 2008 Eight-Hour Ozone Standard (Non-Rule Project No. 2013-016-SIP-NR). This SIP revision satisfies the Federal Clean Air Act (FCAA), §172 and §182 requirements for the HGB and DFW nonattainment areas under the 2008 eight-hour ozone standard. The SIP revision includes 2011 emissions inventories for ozone precursors (volatile organic compounds and nitrogen oxides) from point, area, on-road mobile, non-road mobile, and biogenic emissions source categories as the base year emissions inventories for the HGB and DFW areas.

For additional information, please visit the Air Pollution from Ozone Web page.

Public Information Meeting: Eight-Hour Ozone Planning for the DFW Area 

The TCEQ held a public information meeting to provide information on the development of revisions to the state implementation plan (SIP) for the 2008 ozone NAAQS in the 10-county DFW nonattainment area on Thursday, September 5, 2013 at 10:00 a.m. at the North Central Texas Council of Governments (NCTCOG) offices. NCTCOG and United States Environmental Protection Agency representatives also provided updates on local and federal initiatives.

DFW Air Quality Update Presentation

State Implementation Plan Development Presentation

North Central Texas Oil & Gas Vehicle Inventory Study

EPA Presentations

DFW Attainment Demonstration and Reasonable Further Progress SIP Revisions Adopted December 7, 2011

On December 7, 2011, the commission adopted two revisions to the Texas SIP for the DFW nonattainment area for the 1997 eight-hour ozone standard: the DFW Attainment Demonstration SIP Revision for the 1997 Eight-Hour Ozone Standard (Project No. 2010-022-SIP-NR) and the DFW Reasonable Further Progress SIP Revision for the 1997 Eight-Hour Ozone Standard (Project No. 2010-023-SIP-NR). Concurrent with this SIP revision, the commission adopted revisions to 30 Texas Administrative Code, Chapter 115 into the Texas SIP.

For more information on these SIP revisions, including downloadable Portable Document Format (PDF) documents, please visit the SIP Revisions: DFW Attainment and Reasonable Further Progress Demonstrations for the 1997 Eight-Hour Ozone Standard Web page.